Routing messages in a zero-information nested virtual...

Details Routing messages in a zero-information nested virtual... Routing messages in a zero-information nested virtual...

2011-01-04

2011-01-04

Shah, Chirag G (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S395310

Reexamination Certificate

active

07864770

ABSTRACT:
A mechanism for generating an address of a cyphertext component of a VPN router in a nested VPN system using an address of a plaintext domain so that a PTX domain has no knowledge about IP addressing in a CTX domain and vice versa. The mechanism advantageously avoids storing correlation between CTX addresses and PTX addresses, thereby maintaining a zero information requirement in a nested VPN routing.

REFERENCES:
patent: 7116681 (2006-10-01), Hovell et al.
patent: 2002/0150114 (2002-10-01), Sainomoto et al.
patent: 2004/0255045 (2004-12-01), Lim et al.
patent: 2008/0301312 (2008-12-01), Fernandes et al.

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